前言
设计订单过期,不能单纯靠Redis,需要兜底策略
代码实现:
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import com.coolplay.trade.dto.req.CancelOrderReq; import lombok.extern.slf4j.Slf4j; import org.apache.commons.collections.CollectionUtils; import org.springframework.data.redis.core.ZSetOperations; import org.springframework.scheduling.annotation.Scheduled; import org.springframework.stereotype.Service; import javax.annotation.Resource; import java.util.Set; import java.util.concurrent.TimeUnit; @Service @Slf4j public class OrderRedisDelayQueueOperator extends AbstractOrderScheduleDelayQueue { @Resource (name = "redisTemplate" ) private ZSetOperations<String, String> orderRedis; /** * 预售、现货生成订单15分钟后未支付,需要取消订单 */ private static final String DELAY_QUEUE_NAME = "order" ; /** * 每1秒执行一次 */ @Override @Scheduled (cron = "0/1 * * * * ? " ) public void orderEventProcess() { if (!redisLock.tryLock( this .getClass().getSimpleName(), TimeUnit.MILLISECONDS, 10 , 100 )) { return ; } Set<String> dq = orderRedis.range(DELAY_QUEUE_NAME, 0L, Long.MAX_VALUE); if (CollectionUtils.isEmpty(dq)) { return ; } for (String orderNo : dq) { Double xs = orderRedis.score(DELAY_QUEUE_NAME, orderNo); Double now = System.currentTimeMillis() * 1.0 ; if (xs <= now) { log.info( "{} timed out" , orderNo); super .threadPoolTaskExecutor.execute(() -> { CancelOrderReq req = new CancelOrderReq(); req.setOrderNo(orderNo); req.setCancelType(OrderActionEnum.TIME_OUT_CANCEL); orderService.cancelOrder(req); }); } else { //log.info("{} no time out", orderNo); //如果最小的都没有过期,剩余的则不用处理了 break ; } } } public void addToRedis(String orderNo, long delayTime) { orderRedis.add(DELAY_QUEUE_NAME, orderNo, delayTime * 1.0 ); } public void removeFromRedis(String orderNo) { orderRedis.remove(DELAY_QUEUE_NAME, orderNo); } } |
兜底策略
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/** * 取消订单--10分钟--20分钟执行一次 */ @XxlJob ( "cancelOrder20Minutes" ) public void cancelOrderTenMinutes() { log.info( "*****[开始:下单十分钟以后系统自动取消订单]*****" ); Date start = DateUtil.dateRoll( new Date(), Calendar.MINUTE,- 20 ); Date end = new Date(); List<ClOrder> clorderList =clOrderMapper.selectListAllOrdrWaiting(start,end); if (ObjectUtil.isNotEmpty(clorderList)){ for ( int i= 0 ;i<clorderList.size();i++){ ClOrder clOrder = clorderList.get(i); if (ObjectUtil.isNotEmpty(clOrder)){ Date orderTime = clOrder.getOrderTime(); long between = cn.hutool.core.date.DateUtil.between(orderTime, new Date(), DateUnit.MINUTE); if (between> 10 ){ ClOrder clOrderTemp = new ClOrder(); clOrderTemp.setOrderState( "3" ); clOrderTemp.setId(clOrder.getId()); clOrderTemp.setMemberId(clOrder.getMemberId()); String msg= "您的订单已经取消,订单金额已发放至您的账户请查收~" ; try { boolean b = orderService.cancelOrder(clOrderTemp,msg); if (!b){ log.info( "[订单失效:定时任务兜底策略更新失败]**订单ID: {}" ,clOrderTemp.getId()); } log.info( "[Redis订单取消订单失效,定时任务兜底策略生效]" ); } catch (Exception e){ log.info( "[订单失效:定时任务兜底策略更新失败]**订单ID: {}" ,clOrderTemp.getId()); e.printStackTrace(); } } } } } log.info( "*****[结束:下单十分钟以后系统自动取消订单]*****" ); } |
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原文链接:https://blog.csdn.net/qq_32370913/article/details/124773954